======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '167'
                                          'artist'  'Unknown Mortal Orchestra'
                                     'text_people'  ''
                                         'release'  'II'
                                           'title'  'Swing Lo Magellan (acoustic version)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'alternative', 'lo fi', 'indie rock', 'psychedelic']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '15'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '99.420'
                                             'key'  '9B'
                                        'acoustid'  '372568e1-b851-4852-8aeb-e6e06e5074d1'
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'II'
'TBPM' (BPM (beats per minute))                     '99.420'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDOR' (Original release time)                      '2013'
'TDRC' (Recording time)                             '2013-10-22'
'TIT2' (Title/songname/content description)         'Swing Lo Magellan (acoustic version)'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Unknown Mortal Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Unknown Mortal Orchestra'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Jagjaguwar'
'TRCK' (Track number/Position in set)               '14/15'
'TSO2'                                              'Unknown Mortal Orchestra'
'TSOP' (Performer sort order)                       'Unknown Mortal Orchestra'
'TXXX:Acoustid Id'                                  '372568e1-b851-4852-8aeb-e6e06e5074d1'
'TXXX:MusicBrainz Album Artist Id'                  'e2305342-0bde-4a2c-aed0-4b88694834de'
'TXXX:MusicBrainz Album Id'                         '1d9602b2-8244-4a00-8b14-6a5a419b9ec3'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e2305342-0bde-4a2c-aed0-4b88694834de'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'lo fi', 'indie rock', 'psychedelic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.96 dB'
'TXXX:replaygain_track_peak'                        '0.583246'

========================== row from database ==========================
                                              'id'  1409762
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Unknown Mortal Orchestra - 2013 - II (Deluxe Edition)/14 Unknown Mortal Orchestra - Swing Lo Magellan (Acoustic Version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  167
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  6711346
                                           'mtime'  1620737221
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 2013 (Deluxe Edition) 14 (Acoustic Version) rock cppex psychedelic
                                      'tag_artist'  Unknown Mortal Orchestra
                                     'tag_release'  II
                                       'tag_title'  Swing Lo Magellan (acoustic version)
                                             'bpm'  99.42
                                    'search_title'  'acoustic':4,5 'lo':2 'magellan':3 'swing':1 'version':6,7
                                   'search_artist'  'mortal':2 'orchestra':3 'unknown':1
                                  'search_release'  'ii':1
                                     'search_rest'  '2013':2 'acoustic':7,8 'classicprogpsy':1 'cppex':12 'deluxe':3,4 'edition':5,6 'psychedelic':13 'rock':11 'version':9,10
                                    'search_combo'  '2013':13 'acoustic':4A,5A,18,19 'classicprogpsy':12 'cppex':23 'deluxe':14,15 'edition':16,17 'ii':11C 'lo':2A 'magellan':3A 'mortal':9B 'orchestra':10B 'psychedelic':24 'rock':22 'swing':1A 'unknown':8B 'version':6A,7A,20,21
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'lo fi', 'indie rock', 'psychedelic']
                                        'tag_date'  2013
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737221.4659972  (2021-05-11 14:47:01)
                             'size'  6711346